BR9307520A - Processo para o alvejamento de polpa contendo lignocelulose - Google Patents

Processo para o alvejamento de polpa contendo lignocelulose

Info

Publication number: BR9307520A
Authority: BR; Brazil
Prior art keywords: pulp; bleaching; stages; containing lignocellulose; pulp containing
Prior art date: 1992-11-27

Application number

BR9307520-0A

Other languages

English (en)

Portuguese (pt)

Inventor

Magnus Linsten

Jiri Basta

Ann-Sofie Haellstroem

Original Assignee

Eka Nobel Ab

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1992-11-27

Filing date

1993-11-25

Publication date

1999-08-31

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26661599&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9307520(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-11-27 Priority claimed from SE9203584A external-priority patent/SE9203584D0/xx

1993-01-26 Priority claimed from SE9300225A external-priority patent/SE9300225D0/xx

1993-11-25 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1999-08-31 Publication of BR9307520A publication Critical patent/BR9307520A/pt

Links

238000004061 bleaching Methods 0.000 title abstract 5
238000000034 method Methods 0.000 title abstract 3
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 abstract 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract 1
239000007844 bleaching agent Substances 0.000 abstract 1
239000008139 complexing agent Substances 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 abstract 1
230000000694 effects Effects 0.000 abstract 1
229910021645 metal ion Inorganic materials 0.000 abstract 1
150000004967 organic peroxy acids Chemical class 0.000 abstract 1
230000001590 oxidative effect Effects 0.000 abstract 1
238000010979 pH adjustment Methods 0.000 abstract 1
150000002978 peroxides Chemical class 0.000 abstract 1
230000000717 retained effect Effects 0.000 abstract 1
150000003839 salts Chemical class 0.000 abstract 1
229910052708 sodium Inorganic materials 0.000 abstract 1
239000011734 sodium Substances 0.000 abstract 1
230000008685 targeting Effects 0.000 abstract 1
238000005406 washing Methods 0.000 abstract 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)

BR9307520-0A 1992-11-27 1993-11-25 Processo para o alvejamento de polpa contendo lignocelulose BR9307520A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
SE9203584A SE9203584D0 (sv)	1992-11-27	1992-11-27	Foerfarande foer blekning av lignocellulosahaltig massa
SE9300225A SE9300225D0 (sv)	1993-01-26	1993-01-26	Foerfarande foer blekning av lignocellulosahaltig massa
PCT/SE1993/001018 WO1994012722A1 (en)	1992-11-27	1993-11-25	Process for bleaching of lignocellulose-containing pulp

Publications (1)

Publication Number	Publication Date
BR9307520A true BR9307520A (pt)	1999-08-31

Family

ID=26661599

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9307520-0A BR9307520A (pt)	1992-11-27	1993-11-25	Processo para o alvejamento de polpa contendo lignocelulose

Country Status (16)

Country	Link
EP (1)	EP0670929B2 (de)
JP (1)	JPH08503749A (de)
AT (1)	ATE141972T1 (de)
AU (1)	AU671337B2 (de)
BR (1)	BR9307520A (de)
CA (1)	CA2149649C (de)
CZ (1)	CZ285246B6 (de)
DE (1)	DE69304342T3 (de)
ES (1)	ES2091121T3 (de)
FI (1)	FI118572B (de)
MX (1)	MX9307413A (de)
NO (1)	NO306737B1 (de)
NZ (1)	NZ258273A (de)
PL (1)	PL309190A1 (de)
RU (1)	RU2097463C1 (de)
WO (1)	WO1994012722A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE1007757A3 (fr) *	1993-11-10	1995-10-17	Solvay Interox	Procede pour le blanchiment d'une pate a papier chimique.
US5656130A (en) *	1995-04-28	1997-08-12	Union Camp Holding, Inc.	Ambient temperature pulp bleaching with peroxyacid salts
USH1690H (en) *	1995-07-20	1997-11-04	Nye; Jeffrey	Process for bleaching kraft pulp
SE9503004L (sv) *	1995-08-30	1997-03-01	Sunds Defibrator Ind Ab	Blekning av massa
DE19704054C2 (de) *	1997-02-04	2000-08-10	Stockhausen Chem Fab Gmbh	Verfahren zur Herstellung von Faserstoffen mit verbesserten Eigenschaften
US6702921B2 (en) *	2001-05-01	2004-03-09	Ondeo Nalco Company	Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
EP1607519B1 (de) *	2004-06-14	2008-02-20	Warwick International Group Limited	Aktivator zum Zellstoffbleichen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2219505C3 (de) †	1972-04-21	1974-10-17	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Chlorfreie Mehrstufenbleiche von Zellstoff
DE3005947B1 (de) †	1980-02-16	1981-01-29	Degussa	Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
JPS5721591A (en) †	1980-07-11	1982-02-04	Mitsubishi Gas Chemical Co	Peroxide bleaching of wood pulp
DE69004492T3 (de) *	1989-06-06	2001-11-15	Eka Nobel Ab, Bohus	Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
US5091054A (en) *	1989-08-18	1992-02-25	Degussa Corporation	Process for bleaching and delignification of lignocellulosic
BE1004674A3 (fr) *	1991-03-11	1993-01-12	Interox Internat Sa	Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft.
DE4114135A1 (de) †	1991-04-30	1992-11-05	Sueddeutsche Kalkstickstoff	Verfahren zur chlorfreien bleiche und delignifizierung von alkalizellstoff
ES2120984T3 (es) *	1991-10-04	1998-11-16	Solvay Interox Inc	Un procedimiento para mejorar la selectividad de la deslignificacion de una pasta papelera quimica.
BE1006057A3 (fr) †	1992-07-06	1994-05-03	Solvay Interox	Procede pour la delignification d'une pate a papier chimique.

1993
- 1993-11-25 CZ CZ951328A patent/CZ285246B6/cs not_active IP Right Cessation
- 1993-11-25 ES ES94901142T patent/ES2091121T3/es not_active Expired - Lifetime
- 1993-11-25 MX MX9307413A patent/MX9307413A/es not_active IP Right Cessation
- 1993-11-25 NZ NZ258273A patent/NZ258273A/en unknown
- 1993-11-25 EP EP94901142A patent/EP0670929B2/de not_active Expired - Lifetime
- 1993-11-25 CA CA002149649A patent/CA2149649C/en not_active Expired - Fee Related
- 1993-11-25 BR BR9307520-0A patent/BR9307520A/pt not_active IP Right Cessation
- 1993-11-25 JP JP6513051A patent/JPH08503749A/ja active Pending
- 1993-11-25 WO PCT/SE1993/001018 patent/WO1994012722A1/en not_active Ceased
- 1993-11-25 DE DE69304342T patent/DE69304342T3/de not_active Expired - Fee Related
- 1993-11-25 AT AT94901142T patent/ATE141972T1/de not_active IP Right Cessation
- 1993-11-25 RU RU9595113460A patent/RU2097463C1/ru active
- 1993-11-25 AU AU55831/94A patent/AU671337B2/en not_active Ceased
- 1993-11-25 PL PL93309190A patent/PL309190A1/xx unknown
1995
- 1995-05-24 FI FI952551A patent/FI118572B/fi active IP Right Grant
- 1995-05-26 NO NO952074A patent/NO306737B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
WO1994012722A1 (en)	1994-06-09
CZ285246B6 (cs)	1999-06-16
DE69304342T2 (de)	1997-03-06
CZ132895A3 (en)	1996-01-17
EP0670929A1 (de)	1995-09-13
DE69304342D1 (de)	1996-10-02
NO952074L (no)	1995-07-26
FI118572B (fi)	2007-12-31
ATE141972T1 (de)	1996-09-15
FI952551A0 (fi)	1995-05-24
RU95113460A (ru)	1996-12-27
DE69304342T3 (de)	2004-07-01
AU671337B2 (en)	1996-08-22
AU5583194A (en)	1994-06-22
NO952074D0 (no)	1995-05-26
NZ258273A (en)	1996-08-27
EP0670929B1 (de)	1996-08-28
CA2149649C (en)	2000-09-19
ES2091121T3 (es)	1996-10-16
RU2097463C1 (ru)	1997-11-27
JPH08503749A (ja)	1996-04-23
FI952551A7 (fi)	1995-05-24
NO306737B1 (no)	1999-12-13
PL309190A1 (en)	1995-09-18
MX9307413A (es)	1994-07-29
EP0670929B2 (de)	2003-10-22

Legal Events

Date	Code	Title	Description
2000-04-18	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-09-05	FF	Decision: intention to grant
2001-02-06	FG9A	Patent or certificate of addition granted
2010-09-14	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 10A,11A,12A, 13A,14A ,15A ,16A E 17A ANUIDADES
2014-08-26	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.
2020-12-22	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 10A, 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES.
2021-04-13	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

Publication	Publication Date	Title
BR9307521A (pt)	1999-08-31	Processo para a deslignificação e alvejamento de polpa contendo lignocelulose
SE7902901L (sv)	1979-10-05	Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
BR9201553A (pt)	1992-12-01	Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida
MX9201966A (es)	1992-11-01	Proceso para blanqueo de pasta que contiene lignocelulosa.
ES2038097T5 (es)	2001-05-01	Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
SE8100373L (sv)	1981-07-25	Forfarande vid ozonblekning av pappersmassa
BR9307520A (pt)	1999-08-31	Processo para o alvejamento de polpa contendo lignocelulose
PT734470E (pt)	2002-07-31	Processo para a fabricacao de pasta de celulose branqueada
ES393360A1 (es)	1973-09-16	Procedimiento de produccion de fibras totales.
SE9203366L (sv)	1994-05-12	Förfarande vid delignifiering och/eller blekning av cellulosamassa
RU2205257C1 (ru)	2003-05-27	Способ отбелки сульфатной целлюлозы
SE9203585L (sv)	1994-05-28	Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel
SE8704041L (sv)	1989-04-17	Saett vid blekning av cellulosamassa
SE9502087L (sv)	1996-08-18	Förfarande för förbehandling av massa som skall blekas med peroxid